
508 RECORDS OF THE S.A, MusEUM 
tipsa Iredale, 1931, Cypraea chinensis Gmelin, 1791, Ipserronea Iredale, 1935, 
- Ipserronea problematioa Iredale, 1935, Blasicrwra Iredale, 1930, Cypraea rhimo- 
eeros Souverbie, 1865. Cypraea ‘‘latior’’ Melvill, 1888, is a mutation which is 
liable to occur 1m any of the teres complex. 
ERRONEA ERRONES BARTLETTI sp. nov. 
Shell medium to small ; cylindrical ; extremities moderately produced ; slightly 
umbilicate; regularly speckled with brown on a greenish-grey background and 
obscurely marked with three darker zonal bands ; base pink, margins pinkish brown, 
interstices of teeth orange-red, teeth diminished, columella teeth becoming obsolete, 
short and more prominent across the shallow fossula, Length 40 mm,, width 
22 mm, (holotype), Range 23-40 mm,, and 15-22 mm, 
Loc. Rossell Island, New Guinea. 
Remarks. We have examined only the holotype and one other specimen in 
the Bartlett collection and also one in the Steadman collection. The specimens 
were collected by the Rey. H. K. Bartlett, L,.Th, ; 
KEY TO GENERA OF ERRONEINAE. 
a, Dorsal blotches not sharply defined, 
b. Margins not spotted. 
6, Cylindrical ., rs - _ .- ~' he, .. Erronea 
ec, Hlongate cylindrical .. i we v8 “¢ er -. Palangerosa 
bh, Margins spotted. 
d. Teeth coarsa =5 et te te ‘¥ fe -- Ovatipsa 
dd, Teeth fine. 
e, Margin narrow. 
f. Spiral bands obscure , - ao -8 pe .. TDalostolida 
ff. Spiral bands defined ,. ole 4 ne .. Ipserronsa 
eé, Margm high ma e. “4 ta oe .. Blasicrura 
aa, Dorsal blotched sharply defined ,, ve sae + Pas -. Bistolida 
Subfamily Apustinag. 
Fifty millimetres in length or less; inflated, pyriform ; extremities produced ; 
typically slightly umbilicate; unicoloured, banded or spotted; smooth; teeth 
medium to coarse, not produced across the base; margin not calloused; base 
rounded, not spreading. Genera are: Adusia Jousseaume, 1884, Cypraca onyx 
Linné, 1758, Palmadusta Iredale, 1930, Cypraea clandestina Linné, 1758. Gratia- 
dusta Iredale, 1930, Cypraea pyriformis Gray, 1825. Solvadusta Iredale, 1935, 
Gratiadusta vaticina Iredale, 1930, Notadusta. Sebilder, 1935, Cypraea vic- 
toriana Schilder, 1935, Zonaria Jousseanme, 1884, Cypraea zonaria Gmelin, 1791, 
Albacypraea gen. nov., Cypraea eburnea Barnes, 1828, Cribraria Jousseaume, 
1884 = Ocellaria Weinkauff, 1881, not Ramond, 1801, Cypraca cribraria Linné, 
1758. Nivigena Iredale, 1930, Nivigena melwardi Tredale, 1930. Neobernaya 
Schilder 1927, Cypraea spadicea Swainson, 1823. Schilderia Tomlin, 1930, 
Cypraea achatidea Sowerby, 1837. 
Genus ALBACYPRAEA nov. 
Genotype: Cypraca eburnea Barnes, 1828. 
Shell medium size, inflated, pyriform, pure white; extremities produced, very 
slightly umbilieate; teeth coarse and short, margin not calloused but slightly 
ridged and crenulate on the outer margin and at both ends of the inner margin; 
base rounded, not spreading. Length 27-50 mm,, width 17-30 mm. 
